I'll try one of the sources on the patreon page after work.
Viewing post in Harem Hotel (18+) NEW UPDATE! comments
Finally managed to play the game by downloading the Windows version to my phone's SD card and then transferring back to my laptop (I don't do well with controls on a phone and mine is an older model and can't play the game even if I was good with them).
It was well worth the effort and I can't wait until the next update releases.